磁纤维保健系列纱线的研制开发

利用具有独特的保健性能的磁生态保健纤维研制开发了磁纤维保健系列纱线,介绍了磁纤维保健系列纱线的纺纱工艺。     

旋转对非圆形扰流柱排换热影响的数值模拟

对有非圆形叉排扰流柱排的旋转矩形通道的换热旋转效应进行了数值模拟。扰流柱排的几何参数为/=4,/=1.33,/=2.7。来流雷诺数=20000下,旋转数o=0～0.3时对三种不同形状(方形、钻石形和液滴形)的扰流柱旋转矩形通道的换热研究。结果表明:迎风面与背风面的平均数都随着o的增加而增大;钻石形扰流柱排通道的换热最强,其次为方形、液滴形;此外,研究发现随着旋转的增强,矩形通道端壁各段的换热变化呈现出不同的规律,进口区端壁的换热会增强,而扰流柱排区以及尾缘区的换热则先减后增。     

强化热压烧结孕镶金刚石钻头试验研究

在分析常规热压方法不足的基础上,通过试验表明提高热压温度与烧结压力可以有效提高孕镶金刚石钻头的力学性能.针对强化热压方法的特点,设计专用的预合金粉胎体材料体系进行烧结试验,并对其进行硬度、耐磨性与密度测试.试验结果表明,相较于普通热压试件而言,强化热压烧结的试样硬度平均提高约HRC 1.8,磨损量平均下降约2.1 mg...     

老旧煤矿健康老龄化环境建设路径分析

被关闭的低效率老旧煤矿,作为很多退休煤矿职工的家庭所在地,依然担负着为其提供正常生活条件和养老功能的任务。为了营造煤炭企业退休职工适老环境,对老旧煤矿健康老龄化环境建设路径进行了探讨。在分析健康老龄化的普遍性问题后,从公共服务、卫生健康服务、认同感、原有养老模式等方面论述了老旧煤矿存在的具体问题;针对现状及问题,从理顺养老服务管理机制和合理确定具体任务目标两方面提出了对策与建议。     

Neutrophil to Lymphocyte Ratio: An Emerging Marker of the Relationships between the Immune System and Diseases

Over the last 10 years, the evaluation of the neutrophil-to-lymphocyte ratio (NLR) as an emerging marker of diseases has become a compelling field of bio-medical research. Although a precise and unique cut-off value has not been yet found, its role as a flag of immune system homeostasis is well established. NLR has a well-known prognostic value and independently correlates with mortality in the general population and in several specific subsets of disease (sepsis, pneumonia, COVID-19, cancer, etc.). Moreover, NLR was recently considered as part of the decision-making processes concerning the admission/recovery of patients with COVID-19 pneumonia. This review aims to provide an overview of the main use of this biomarker, focusing on the pathophysiology and the molecular basis underlying its central role as a reliable mirror of inflammatory status and adaptive immunity.     

我国灵芝精深加工研究进展

灵芝是我国传统中医中药的瑰宝,具有极高的药用价值,有抗肿瘤、增强免疫功能、降血糖、保肝、抗衰老、抗炎、抗凝血等作用。灵芝产业发展迅速,产品形式多样,有药品、保健食品、化妆品和其他生物敷料等,全球范围内灵芝产品年产值已超过25亿美元。灵芝从中国古代神话进入普通人的生活,从中华大地走向世界各地,在保护人类健康,造福人类的同时,也创造了巨大财富。本文就灵芝精深加工现状、存在问题及发展趋势进行综述,为灵芝产业持续稳定快速发展提供基础。     

葛根黄酮提取与保健功能研究进展

葛根黄酮是中药葛根的主要功效成分,目前临床上主要用于心脑血管疾病的治疗,其多种功效还未能充分认识与应用。通过对近年来葛根黄酮提取方法与保健功能的研究进展进行综述,以期为葛根黄酮作为保健食品新资源的开发和应用提供理论依据。     

茯苓液体发酵条件研究及保健饮料研制

对茯苓液体发酵的碳源、氮源,pH值及发酵时间等进行研究,结果表明,最佳碳源是葡萄糖与蔗糖,氮源为麸皮,碳源浓度为8%,pH为5.0,发酵时间为5d.将发酵后的菌丝发酵液经过处理生产茯苓保健饮料.通过正交实验,确定了茯苓保健饮料的最佳配方为：茯苓发酵原液为6.7%,白糖7%,柠檬酸0.02%.并对成品进行了卫生微生物指标检测.     

The indoor environment and the integrated design of homes for older people with dementia

There are currently about 6 million – mainly older – people with dementia in the European Union. With ageing, a number of sensory changes occur. Dementia syndrome exacerbates the effects of these sensory changes and alters perception of stimuli. People with dementia have an altered sensitivity for indoor environmental conditions, which can induce problematic behaviour with burdensome symptoms to both the person with dementia and the family carer. This paper, based on literature review, provides an overview of the indoor environmental parameters, as well as the integrated design and implementation of relevant building systems. The overview is presented in relation to the intrinsic ageing of senses, the responses of older people with dementia and the impact on other relevant stakeholders through the combined use of the International Classification of Functioning, Disability and Health, and the Model of Integrated Building Design. Results are presented as indicators of the basic value, functional value and economic value, as well as a synthesis of building-related solutions. Results can help designers and building services engineers to create optimal environmental conditions inside the living environments for people with dementia, and can be used to raise awareness among health care professionals about of the influence of the indoor environment on behaviour of the person with dementia.     

Silicone oil emulsions: strategies to improve their stability and applications in hair care products

Silicone oils have wide range of applications in personal care products due to their unique properties of high lubricity, non‐toxicity, excessive spreading and film formation. They are usually employed in the form of emulsions due to their inert nature. Until now, different conventional emulsification techniques have been developed and applied to prepare silicone oil emulsions. The size and uniformity of emulsions showed important influence on stability of droplets, which further affect the application performance. Therefore, various strategies were developed to improve the stability as well as application performance of silicone oil emulsions. In this review, we highlight different factors influencing the stability of silicone oil emulsions and explain various strategies to overcome the stability problems. In addition, the silicone deposition on the surface of hair substrates and different approaches to increase their deposition are also discussed in detail.